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在水相中通过异双核铱-钌配合物催化甲酸 pH 值选择性分解高效生成氢气和氢同位素的异常大隧道效应。

Unusually large tunneling effect on highly efficient generation of hydrogen and hydrogen isotopes in pH-selective decomposition of formic acid catalyzed by a heterodinuclear iridium-ruthenium complex in water.

机构信息

Department of Material and Life Science, Graduate School of Engineering, Osaka University, SORST, Japan Science and Technology Agency, Suita, Osaka 565-0871, Japan.

出版信息

J Am Chem Soc. 2010 Feb 10;132(5):1496-7. doi: 10.1021/ja910349w.

DOI:10.1021/ja910349w
PMID:20085352
Abstract

A heterodinuclear iridium-ruthenium complex Ir(III)(Cp*)(H(2)O)(bpm)Ru(II)(bpy)(2)(2) {1(SO(4))(2), Cp* = eta(5)-pentamethylcyclopentadienyl, bpm = 2,2'-bipyrimidine, bpy = 2,2'-bipyridine} acts as the most effective catalyst for selective production of hydrogen from formic acid in an aqueous solution at ambient temperature among catalysts reported so far. An unusually large tunneling effect was observed for the first time for the catalytic hydrogen production in H(2)O vs D(2)O.

摘要

一种异双核铱-钌配合物Ir(III)(Cp*)(H(2)O)(bpm)Ru(II)(bpy)(2)(2) {1(SO(4))(2), Cp* = eta(5)-戊甲基环戊二烯基, bpm = 2,2'-联嘧啶, bpy = 2,2'-联吡啶}在目前报道的催化剂中,是在环境温度下从甲酸水溶液中选择性催化生产氢气的最有效催化剂。首次在 H(2)O 与 D(2)O 的催化氢生成中观察到异常大的隧道效应。

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